Government of India has prohibited from importing all types of mobile handsets with Duplicate or Fake IMEI or ESN (Electronic Serial Number) Numbers.
Director General of Foreign Trade said that "GSM or CDMA mobile handsets with Fake or Duplicate IMEI or ESN Numbers are treated as Prohibited items in import items list ".

This will help security agencies to track the users using different SIM cards. IMEI helps in tracking mobile handsets.